III.

1.good

2.easily

3. slow

4.perfect

5.heavily

9.loudly

10.quiet

12.happily

IV.

6. Many subjects are studied at school.
7. The cathedral can't be seen from here.
8. My luggage was carried by someone to the train station.

10. Bricks and cement are used for building house.

11. My E novels were taken away.

12. A better hospital is being built in our village.

IV.

1: Some trees have been planted by the gardener.

2: You will be given some advice by the doctor Brown.

4: The crystal vase has been broken.

6: Penicillins were discovered by fleming.

8: That film is being remade.

9: That picture was painted by Picasso.

12: This plant should be watered daily.